http://dev.clojure.org/jira This file is an XML representation of an issue en-us 4.4 649 25-07-2011 http://dev.clojure.org/jira/browse/CLJ-1103 Clojure <p>A discussion came up in the Clojure Google group about conj giving an error when taking only a coll as an argument, as opposed to disj which works for this case:</p> <p><a href="https://groups.google.com/forum/?fromgroups=#!topic/clojure/Z9mFxsTYTqQ">https://groups.google.com/forum/?fromgroups=#!topic/clojure/Z9mFxsTYTqQ</a></p> <p>I looked through the rest of the code for similar cases, and found that conj! assoc assoc! and disj! also had the same property, and there were some other differences between them in how different numbers of arguments were handled, such as:</p> <p>conj handles an arbitrary number of arguments, but conj! does not.<br/> assoc checks for a final key with no value specified (<a href="http://dev.clojure.org/jira/browse/CLJ-1052" title="assoc should throw exception if missing val for last key"><del>CLJ-1052</del></a>), but assoc! did not.</p> CLJ-1103

Make conj assoc dissoc and transient versions handle args similarly

Enhancement Minor Open Unresolved Unassigned Andy Fingerhut Sun, 4 Nov 2012 18:00:32 -0600 Sun, 9 Dec 2012 17:30:00 -0600 Release 1.4 Release 1.5 0 2 <p>clj-1103-make-conj-assoc-dissoc-handle-args-similarly-v1.txt dated Nov 4 2012 makes conj conj! assoc assoc! dissoc dissoc! handle args similarly to each other.</p> <p>I too ran into this and started an additional discussion here: <a href="https://groups.google.com/d/topic/clojure-dev/wL5hllfhw4M/discussion">https://groups.google.com/d/topic/clojure-dev/wL5hllfhw4M/discussion</a></p> <p>In particular, I don't buy the argument that (into coll xs) is sufficient, since into implies conj and there isn't an terse and idiomatic way to write (into map (parition 2 keyvals))</p> <p>So +1 from me</p> Global Rank Patch Code and Test